Bread hydration (water weight / flour weight × 100) determines crumb structure and handling difficulty. A 65% hydration dough behaves like clay — stiff, easy to…

A clear stock requires managing protein precipitation. Proteins denature on heating and aggregate into particles — cloudy if small, clear if removed. The class…

Koji (Aspergillus oryzae) is the mold used to make sake, miso, soy sauce, and mirin. It produces amylases (break down starches) and proteases (break down protei…

An emulsion is a stable mixture of two immiscible liquids (usually fat and water) held together by an emulsifier. Mayonnaise, hollandaise, vinaigrette — all emu…

Mise en place means "everything in its place." In professional kitchens, it describes the preparation work done before service — chopped aromatics, measured spi…

A sharp knife is a safer knife. The force required to cut increases as the edge dulls; that force is unpredictable and can slip. Sharpening removes metal to cr…

Umami was proposed as a fifth basic taste by Kikunae Ikeda in 1908, who isolated glutamate as the compound responsible for the savory quality of kombu dashi. U…

Salt in cooking is not primarily for flavor — it's for texture and preservation. In bread: salt strengthens gluten structure, slows fermentation (controlling y…

Fermentation predates refrigeration by millennia. It's a method of preservation: beneficial microorganisms outcompete pathogens, produce acids or alcohol that i…

The Maillard reaction is responsible for the browning of meat, bread crusts, coffee, and dozens of other foods. It's a cascade of reactions between amino acids…